I am a fan of gypsum and use it mainly to improve the soil. However many producers apply gypsum as an economical source of sulfate for crop production. Even 100 pounds of gypsum per acre will supply 17 to 18 pounds of sulfur (S), which will meet the needs of a crop in addition to what the soil can supply.

Most crops require 15 to 30 pounds of S per acre. Oilseed crops, legumes and forages (alfalfa in particular) require more sulfur than phosphorus for optimal yield and quality compared to cereal grains. When making a sulfur recommendation, agronomists recommend ...